Adjustable derrick



(No Model.) 2 Sheets-Sheet 1.

A. P. CADDEN.

ADJUSTABLE DERRIGK.

No. 330,374. Patented' Nov.V 17, 1885.

:l-Namur:

N. PETERS. Phoxo-Lnhagmpher. Wanhingwn, QC.

2 Sheets-Sheet 2.

(No Model.)

A. P. ADDBN.

ADJUSTABLE DERRIGK.

Patented NOV. 17

Unirse dramas errar Orrrcn,

ANTHONY P. OADDEN, OF BALTIMORE, MARYLAND.

ADJUSTABLE DRRICK.

SPECIFCATION forming part of Letters Patent No. 330,37@ dated November 17, 18H5. Application med Aprnrl 1885.v serial No. 161,225. (No model.)

To @ZZ whom t may concern:

Be it known that I, ANTHONY P. OADDEN, of Baltimore city, 'State of Maryland, have invented certain new and useful Improvements in Adjustable Derricks, of which the following is a specification, reference being wharf, in partial side elevation, with the derrick opened out ready for operation. Fig. 3 is a perspective view 01" my derrick, in partial side eleva-tion, with the adjustable derrick closed up against the upright stationary frame; and Fig. 4 is an enlarged detail view showing the manner of hinging the tramway upon which the car rides.

Like letters of reference indicate similar parts in all the figures.

The object of my invention is to provide a convenient and expeditious means of unloading coal from the tramway-cars into the hold of a vessel, whereby the several parts can be opened out, as seen in the drawings,when needed for use, and afterward closed up against the l upright frame, and the vessel allowed to pass from alongside 0l' the wharf without interference in any manner with the protruding derrick by the masts of the ship, and it consists in the peculiar construction, arrangement, and combination, of parts, as' will be fully hereinafter described.

Referring to the drawings by letter, A, B, and G represent the usual well-known wharf with its hurricane-deck, of skeleton construction, supported by the usual stanchions, uprights, and braces, and for the purposes of this specification need not be herein described, as l merely attach my adjustable derrick to the outer end of the hurricane-deck of the ordinary wharf in every day use.

D D are uprights or standards of immense strength and rigidly held in posit-ion by means of their lower ends being mortised (not shown) into the front sill or frame, B, at the end of the hurricane-deck next the water; or it may also be located on the wharf proper without in the least departing from the spirit of my invention. At the top or upper end of these two several studs D D is a heavy'crossbeam, D', into which the upper ends of studs D D are mortised. At or near the outer ends of beam D' are rigidly attached in any wellknown secure manner iron rods D'l D2, extending downward and rearward until their other ends meet frame B, to which they are rigidly attached in the ordinary manner.

D3 is another cross-beam, located between the studs D D and a short distance below cross-beam D', the outer ends of which (crossbeam D3) are also mortised into each of the inner sides of the two several studs D D, respectively. Between beams D and D3 are two short uprights, d d, rigidly held in their position, as seen, by mortise or otherwise. Between these uprights d d and the standards D D, and on both sides of the head thereof, are two rollers, d (Z, held in their places, as shown in the drawings, in the ordinary manner, so as to revolve when called upon for such conduct.

E E are outwardly-projecting arms hinged at their bottom ends to frames B B by means of strap, butt, or any well-known hinge, c3, so as to allow of their swinging to and fro, as may be desired. At the upper end of these two several swinging arms E Eis a cross-beam, e, into which arms E E are mortised. (Not shown.) Upon the top and at or near the outer ends of this cross-beam e are two several chains, El E2, rigidly attached thereto, one end of which extends rearwardly until they reach the top part of cross-beam D, to which they are also rigidly attached, the other end extending downward until it reaches cross-beam F, to which it is rigidly attached, as seen in Fig. 2, (or a pulley, e', may be located midway ofthe arm E on its outside in any well-known manner, around which passes a chain or rope, e2, rigidly attached thereto,to assist in the support of arm E, the end of said chain being also firmly aiiixed to the top of standard D, while the other end is rigidly attached to the swinging platform, or rather cross-beam F, at its outer end, as seen in Fig. l.) From about the center of these swinging arms E E are chains or ropes ff, rigidly attached to about the said center part of arms E IOO E, one end of which extends upward and rearward until it also reaches cross-beam D, to which it is attached rigidly, while the other end extends outward and downward until it reaches still another cross-beam, F, to which saidend is attached rigidly. Upon this crossbeam F are located rigidly the outer ends of two heavy pieces of timber or swinging arms F' F', (notched so as to t over the beam F, as shown, or not, as may suit the faney,) extending rearward until they come in contact with the forward ends of their corresponding stationary parts, B B, to which they are respectively hinged by the usual well-known plates for such purpose-viz., f f '-situated on the sides of said arms F' F', as seen in Fig. 4, the said plates f'f' having a rivet extending through the two several pieces f' f' at point f2, which holds them together, thus formingahinge;.or any other well known hinge may be used without departing from the spirit4 of my invention, but Iprefer lthe one shown. Upon the two several swinging arms F F' are the usual railway-rails, upon which the coal-ear rides, the said rails beingl bent outwardaud `upward at their outer ends to prevent the farther passage of the car.

G is the ordinary eoalchute,loosely pivoted at its rear end, which is next the frame or sill B,by pivotal rod g, extending entirely through the arms F' F', as well as the rear end of the chute, the said ch ut-e being constructed of suffcient width -to accommodate itself toswing freely in between the arms F' F'. Atthe outer end and attached rigidly to the under side of the chute G is a cross-beam, G', of sufficient length to protrude out at thesides of the end of the chute G suiiiciently far to strike up against the under side of arms F F', and prevent the chute G from passing between them when the device is being hoisted up and closed, as seen in Fig. 3.

g' is still another chain or rope, one end of which is rigidly attached to the lower and outer end of chute G and extends upward, rearward, and overthe pulley d',- ,thence downward toward a pulley, windlass, or ratchetwheel, H, or any known mechanism for winding up the said chain, as may please the fancy.

The operation of my device is explained thus: When it is desired toload avessel, 85e., the device is in its normal position, as shown in Fig. 3. The vessel is then brought alongside of the wharf, and the device lowered to the position shown in Fig. 2, the car with its freight being run out upon the rails orarms F' F', as shown in Fig. 2, when its contents is dumped down upon the chute G, passing from the Chute directly into thehoid 0f the vessel.

After the Vessel is loaded and it is desired to 6o move the vessel away from the wharf expeditiously and conveniently, without its masts interfering with the derrick, or rather arms F and E, as well as chute G, the operator, standing at windlass H, winds up the chain g around windlass H sufficiently to cause the beam G' to strike hard up against arms F'F'. He then continues the operation of winding until the said beam G', pressing hard up against the said arms F' F', pulls beam F hard up against the swinging arms E E. He still continues the winding until the arms E E strike hard up 1. l'Ihe adjustable derrick herein shown and described, composed of standardsD D, swinging arms E E and F' F', and swinging chute G', substantially yin thevmanner` as and for the purposes set forth.

2. i In an adjustable derrick, standards D D, having cross-beams D'and D3, with their iu termediate uprights, d d, and rollers d' d', substantially as set forth.

3. In an adjustable derrick, swinging arms E E, hinged at their lower ends to frames B B by means of hinges e", having rigidly attached at their upper ends a cross-beam, e, substantially as set forth.

4. In an adjustable derrick, swinging arms F' F'-, hinged at their inner ends ,to the center frames, B B, by means of hinges f' f', the said inner ends resting partially on the front sill,

B, and. having at their ends and rigidly attached thereto cross-beam F, substantially as set forth.

5. Inan adjustable derrick, thel swinging chute G, itsrear end located and working loosely between the arms F' F' and held in place by rod g, passing entirely through said arms and the rear part of the chute G, and

having cross-beam G', rigidly attached to the ANTHONY P. CADDEN.

Witnesses:

J. MAsoN GoszLER, JN0. T. MADDox.

IlO 

